FILE - In this May 3, 2021 file photo, a man holds his vaccination reminder card after having received his first shot at a pop-up vaccination site in the Little Havana neighborhood of Miami. Billions more in profits are at stake for some vaccine makers as the U.S. moves toward dispensing COVID-19 booster shots to shore up Americans' protection against the virus. Drugstore chains CVS Health and Walgreens could bring in more than $800 million each in revenue, according to Jeff Jonas, a portfolio manager with Gabelli Funds. (AP Photo/Wilfredo Lee)
{}